Madison, Wis.-based Novagen now sells KOD HiFi DNA polymerase (manufactured by Toyobo of Japan), a proofreading enzyme for high-fidelity PCR amplification. KOD HiFi DNA polymerase is a recombinant version of Thermococcus kodakaraensis KOD1 DNA polymerase. According to company literature, the enzyme possesses higher accuracy than any other commercially available DNA polymerase, is five times faster than Pfu DNA polymerase, and twice as fast as Taq DNA polymerase. Novagen also sells KOD Hot Start DNA polymerase for high-specificity (antibody-mediated) PCR and KOD XL DNA polymerase for long and accurate PCR.
Novagen, (800) 526-7319, www.novagen.com
Color Me Convenient
Pierce Chemical Co. of Rockford, Ill, introduces the ColorMeRanger™ Unstained Protein Molecular Weight Marker Mix, featuring room-temperature stability and single-use packaging, which eliminates problems caused by freeze-thaw damage and contamination from repeated use. The ColorMeRanger marker consists of nine proteins ranging from 3.5 kDa to 200 kDa, all of which can be visualized on a gel with conventional protein-detection stains. The marker is sold in a 48 single-dose, 6 x 8 microtube-plate format.
Pierce Chemical Co., (800) 8-PIERCE, www.piercenet.com
Pro-teo-motion
Promega of Madison, Wis., is offering a 50% discount on its new ProteoLink™ In Vitro Expression Cloning System. The ProteoLink system includes a cDNA (adult human brain) library expressed in vitro with Promega's TNT® Quick Coupled Transcription/Translation System, which generates functional proteins without the need for purification and sequencing.1 Resultant proteins can then be screened with an activity assay to isolate the gene of interest. The promotional offer is valid until Sept. 1, 2002.
Promega, (800) 356-9526, www.promega.com
1. E. Willingham, "Linking genes and proteins," The Scientist, 16[1]:53, Jan. 7, 2002.
